Posted By
dmantione
on 2022-09-10
09:45:32
|  Re: External User Port for the C16: Let's make it!
You have the diodes pointing in the opposite direction as I do.
Further, the 8.2K resistors should be placed if a 74x654 is used.
Lastly I wouldn't recommend standard diodes like the 1N4148, because you want to pull the output as close to 0V as possible. I'm using BAT54 Schottky diodes in my design, if you want a through-hole diode, I propose to use a BAT43.
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